package chapter02;

import java.util.Scanner;

public class supermarket {
    public static void main(String[] args) {
        double toothbrush = 8.8;   //牙刷价格
        double towel = 10.0;        //毛巾价格
        double cup = 18.8;            //水杯价格
        double apple = 12.5;        //苹果价格
        double banana = 15.5;       //香蕉价格
        int i = 0;
        String a = "Y";
        System.out.println("-------------黑马小商城-------------");
			  System.out.println("1.牙刷的价格为："+toothbrush+"元");
			  System.out.println("2.毛巾的价格为："+towel+"元");
			  System.out.println("3.水杯的价格为："+cup+"元");
			  System.out.println("4.苹果的价格为："+apple+"元");
			  System.out.println("5.香蕉的价格为："+banana+"元");
              while(a.equals("Y")) {
                  Scanner scl = new Scanner(System.in);
                  System.out.println("请输入你需要购买商品的序列号：");
                  i = scl.nextInt();
                  switch (i) {
                      case 1:
                          System.out.println("请输入你需要购买牙刷的数量：");
                          int toothbrushnnumber = scl.nextInt();
                          double toothbrushnnum = toothbrushnnumber * toothbrush;
                          System.out.println("你购买了牙刷" + toothbrushnnumber + "支，需要花费" + toothbrushnnum + "元");
                          System.out.println("需要继续购买请输入Y，否则输入N");
                          a = scl.next();
                          break;
                      case 2:
                          System.out.println("请输入你需要购买毛巾的数量:");
                          int towelnumber = scl.nextInt();
                          double towelnum = towelnumber * towel;
                          System.out.println("你购买了毛巾" + towelnumber + "个，需要花费" + towelnum + "元");
                          System.out.println("需要继续购买请输入Y，否则输入N");
                          a = scl.next();
                          break;
                      case 3:
                          System.out.println("请输入你需要购买水杯的数量:");
                          int cupnumber = scl.nextInt();
                          double cupnum = cupnumber * cup;
                          System.out.println("你购买了水杯" + cupnumber + "个，需要花费" + cupnum + "元");
                          System.out.println("需要继续购买请输入Y，否则输入N");
                          a = scl.next();
                          break;
                      case 4:
                          System.out.println("请输入你需要购买苹果的数量:");
                          int applenumber = scl.nextInt();
                          double applenum = applenumber * apple;
                          System.out.println("你购买了苹果" + applenumber + "斤，需要花费" + applenum + "元");
                          System.out.println("需要继续购买请输入Y，否则输入N");
                          a = scl.next();
                          break;
                      case 5:
                          System.out.println("请输入你需要购买香蕉的数量:");
                          int banananumber = scl.nextInt();
                          double banananum = banananumber * banana;
                          System.out.println("你购买了香蕉" + banananumber + "斤，需要花费" + banananum + "元");
                          System.out.println("需要继续购买请输入Y，否则输入N");
                          a = scl.next();
                          break;
                  }
              }
                  System.out.println("期待您的下次光临！");

              }
              }


